GEBCO

Gridded Bathymetry Data

GEBCO's gridded bathymetric data sets are global terrain models for ocean and land. The grids are available to download or access through Web Map Services.

Part of the GEBCO world map showing bathymetry from the GEBCO grid and names from the GEBCO Gazetteer of Undersea Feature Names

GEBCO produces and makes available a range of bathymetric data sets and products. This includes a global bathymetric grid; gazetteer of undersea feature names, a Web Map Service and printable maps of ocean bathymetry.

3D view of the GEBCO grid for the Mariana Trench region in the Northwest Pacific Ocean

Seabed 2030

Seabed 2030 is a collaborative project between the Nippon Foundation and GEBCO. It aims to bring together all available bathymetric data to produce the definitive map of the world ocean floor by 2030 and make it available to all.

GEBCO Spotlight

Release of the GEBCO_2026 grid

The 2026 release of the GEBCO global bathymetric grid is now available to download as a global grid file or for user-defined areas in a number of formats.

GEBCO Symposium 2026

12 May 2026

Join the global ocean community in Cartagena, Colombia, on 8–9 October 2026 to explore the latest developments in ocean mapping. The Symposium welcomes experts, early career professionals, researchers, hydrographers, policymakers, and ocean enthusiasts from around the world to exchange knowledge and best practices in ocean mapping.